def _remove_metadata_from_ovdc(ovdc: VDC, keys=None):
    if keys is None:
        keys = []
    metadata = pyvcd_utils.metadata_to_dict(ovdc.get_all_metadata())
    for k in keys:
        if k in metadata:
            ovdc.remove_metadata(k, domain=vcd_client.MetadataDomain.SYSTEM)